21989088

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^2\times {\mathrm{631}}^1$

素因数の和:669

約数の個数: 108

約数和(自身を含む): 68841864

約数和(自身を除く): 46852776

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 66, 72, 88, 96, 99, 121, 132, 144, 176, 198, 242, 264, 288, 352, 363, 396, 484, 528, 631, 726, 792, 968, 1056, 1089, 1262, 1452, 1584, 1893, 1936, 2178, 2524, 2904, 3168, 3786, 3872, 4356, 5048, 5679, 5808, 6941, 7572, 8712, 10096, 11358, 11616, 13882, 15144, 17424, 20192, 20823, 22716, 27764, 30288, 34848, 41646, 45432, 55528, 60576, 62469, 76351, 83292, 90864, 111056, 124938, 152702, 166584, 181728, 222112, 229053, 249876, 305404, 333168, 458106, 499752, 610808, 666336, 687159, 916212, 999504, 1221616, 1374318, 1832424, 1999008, 2443232, 2748636, 3664848, 5497272, 7329696, 10994544, 21989088]

約数ペア:

[(1, 21989088), (2, 10994544), (3, 7329696), (4, 5497272), (6, 3664848), (8, 2748636), (9, 2443232), (11, 1999008), (12, 1832424), (16, 1374318), (18, 1221616), (22, 999504), (24, 916212), (32, 687159), (33, 666336), (36, 610808), (44, 499752), (48, 458106), (66, 333168), (72, 305404), (88, 249876), (96, 229053), (99, 222112), (121, 181728), (132, 166584), (144, 152702), (176, 124938), (198, 111056), (242, 90864), (264, 83292), (288, 76351), (352, 62469), (363, 60576), (396, 55528), (484, 45432), (528, 41646), (631, 34848), (726, 30288), (792, 27764), (968, 22716), (1056, 20823), (1089, 20192), (1262, 17424), (1452, 15144), (1584, 13882), (1893, 11616), (1936, 11358), (2178, 10096), (2524, 8712), (2904, 7572), (3168, 6941), (3786, 5808), (3872, 5679), (4356, 5048)]